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stub.exe

Conduit Ltd.

The file belongs to the Conduit API platform, a utility that bundles and monetizes search toolbars and web browser extensions. The application stub.exe by Conduit has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Conduit Setup Manager installer. The file has been seen being downloaded from storage.conduit.com. While running, it connects to the Internet address cms.distributionengine.conduit-services.com on port 80 using the HTTP protocol.
Publisher:
Conduit  (signed by Conduit Ltd.)

Version:
5.7.2.4

MD5:
e576b8ff713652e0ed8bf25cfc273bb7

SHA-1:
b807dd26069245af8cd6cbf3b918339491a6fc36

SHA-256:
6616c13773d0d402552cdf438fa2da0d1021054e2fa36ae1f1ebba2f0f29b205

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Bundles the Conduit Toolbar and/or Conduit Search Protect.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/6/2024 10:17:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Conduit.E
14.8.7.22

File size:
86.7 KB (88,768 bytes)

Copyright:
Conduit Ltd.

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Conduit Setup Manager (using Nullsoft Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\stub.exe

Digital Signature
Signed by:
Conduit Ltd.

Authority:
VeriSign, Inc.

Valid from:
1/3/2013 1:00:00 AM

Valid to:
4/4/2016 1:59:59 AM

Subject:
CN=Conduit Ltd., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Conduit Ltd., L=Ness Ziona, S=Israel, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3A82654719D8F75B59134F7B66465210

File PE Metadata
Compilation timestamp:
2/24/2012 8:20:04 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:dGarUa6LowvuhdNYh2Gf9rg6hzGPn5Cw1oIXxCJhMqWuZj5svPRSEvrGpwGg+De:j5BuYAVrgUCPn5CfIXSxZW5SEvrGmZ+i

Entry address:
0x38AF

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, EA, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, A2, 40, 00, FF, 15, 84, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, 18, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

The file stub.exe has been seen being distributed by the following URL.

http://storage.conduit.com/ps/.../stublogic.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ude.conduit-data.com  (195.78.120.173:80)

TCP (HTTP):
Connects to offering.service.distributionengine.conduit-services.com  (199.101.114.147:80)

 
http://offering.service.distributionengine.conduit-services.com/DecisionEngine.ashx

TCP (HTTP):
Connects to cms.distributionengine.conduit-services.com  (54.243.251.51:80)

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